Shimano GRX gravel group
#77
Senior Member
Join Date: Dec 2011
Location: Silicon Valley
Posts: 54
Bikes: Stevens Super Prestige CX, 2005 Bianchi Cross Concept, 2000 Breezer Venturi, Bianchi's: Project 7 (&5 &3), 2005 & 2002 Volpe, 2007 San Jose, 1990 Boardwalk semi-mixte, 2005 Eros; 1996 Cannondale M300 A-frame, Schwinn 2010 Tourist
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 7 Post(s)
Liked 5 Times
in
5 Posts
Who ever heard of a 41/33t chainring set or a 53/34 set? But there you go over at WickWerks: https://wickwerks.com/the-junior-solution/ https://wickwerks.com/road-bike-ultr...ge-53-34-road/
Last edited by Dr_UNIX; 05-23-19 at 08:31 AM.
#78
- Soli Deo Gloria -
Join Date: Aug 2015
Location: Northwest Georgia
Posts: 14,782
Bikes: 2018 Rodriguez Custom Fixed Gear, 2017 Niner RLT 9 RDO, 2015 Bianchi Pista, 2002 Fuji Robaix
Mentioned: 235 Post(s)
Tagged: 0 Thread(s)
Quoted: 6844 Post(s)
Liked 735 Times
in
468 Posts
Who ever heard of a 41/33t chainring set or a 53/34 set? But there you go over at WickWerks: https://wickwerks.com/the-junior-solution/ https://wickwerks.com/road-bike-ultr...ge-53-34-road/
Juniors racing has a restriction on maximum top gear. Any combination of wheel/tire, cassette and front ring cannot make the bike go more than 26 feet in one pedal revolution.
This is difficult to achieve with standard components and typically means a cassette is limited to a impossible to find 14 tooth small sprocket.
The WickWerks junior's solution is one way to meet the 26 foot rollout restriction through chainring replacement rather than cassettes. A 41/11 combo is the same as 52/14 and very close to 26 ft rollout. It solves a very specific problem for juniors racing.
https://www.velonews.com/2015/10/new...options_388340
-Tim-
#79
Senior Member
Join Date: Dec 2011
Location: Silicon Valley
Posts: 54
Bikes: Stevens Super Prestige CX, 2005 Bianchi Cross Concept, 2000 Breezer Venturi, Bianchi's: Project 7 (&5 &3), 2005 & 2002 Volpe, 2007 San Jose, 1990 Boardwalk semi-mixte, 2005 Eros; 1996 Cannondale M300 A-frame, Schwinn 2010 Tourist
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 7 Post(s)
Liked 5 Times
in
5 Posts
I told Praxis this at Sea Otter 2018 -- they told me the demand isn't there for smaller chain rings. Then they went off on how they won't make something that doesn't shift 110% perfectly. That one needs lower grearing and finds that more important than the PERFECT front shift just did't penitrate their skulls. They dismissed the Sugino OX sub-compact dual-chainring cranks as not working (shifting) well and they wouldn't follow that path.
#80
Senior Member
Join Date: Dec 2011
Location: Silicon Valley
Posts: 54
Bikes: Stevens Super Prestige CX, 2005 Bianchi Cross Concept, 2000 Breezer Venturi, Bianchi's: Project 7 (&5 &3), 2005 & 2002 Volpe, 2007 San Jose, 1990 Boardwalk semi-mixte, 2005 Eros; 1996 Cannondale M300 A-frame, Schwinn 2010 Tourist
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 7 Post(s)
Liked 5 Times
in
5 Posts
Juniors racing has a restriction on maximum top gear. Any combination of wheel/tire, cassette and front ring cannot make the bike go more than 26 feet in one pedal revolution.
This is difficult to achieve with standard components and typically means a cassette is limited to a impossible to find 14 tooth small sprocket.
This is difficult to achieve with standard components and typically means a cassette is limited to a impossible to find 14 tooth small sprocket.
Just because Shimano or Campy doesn't (didn't) make that combo doesn't mean it isn't useful and desired by others.
#81
Senior Member
Join Date: Dec 2011
Location: Silicon Valley
Posts: 54
Bikes: Stevens Super Prestige CX, 2005 Bianchi Cross Concept, 2000 Breezer Venturi, Bianchi's: Project 7 (&5 &3), 2005 & 2002 Volpe, 2007 San Jose, 1990 Boardwalk semi-mixte, 2005 Eros; 1996 Cannondale M300 A-frame, Schwinn 2010 Tourist
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 7 Post(s)
Liked 5 Times
in
5 Posts
#82
Senior Member
Join Date: Sep 2011
Posts: 4,764
Mentioned: 28 Post(s)
Tagged: 0 Thread(s)
Quoted: 1975 Post(s)
Liked 232 Times
in
173 Posts
I told Praxis this at Sea Otter 2018 -- they told me the demand isn't there for smaller chain rings. Then they went off on how they won't make something that doesn't shift 110% perfectly. That one needs lower grearing and finds that more important than the PERFECT front shift just did't penitrate their skulls. They dismissed the Sugino OX sub-compact dual-chainring cranks as not working (shifting) well and they wouldn't follow that path.
#83
- Soli Deo Gloria -
Join Date: Aug 2015
Location: Northwest Georgia
Posts: 14,782
Bikes: 2018 Rodriguez Custom Fixed Gear, 2017 Niner RLT 9 RDO, 2015 Bianchi Pista, 2002 Fuji Robaix
Mentioned: 235 Post(s)
Tagged: 0 Thread(s)
Quoted: 6844 Post(s)
Liked 735 Times
in
468 Posts
Sorry.
-Tim-
Thread
Thread Starter
Forum
Replies
Last Post
Sullalto
Cyclocross and Gravelbiking (Recreational)
4
04-26-19 07:05 PM
Noctilux.95
Cyclocross and Gravelbiking (Recreational)
18
12-27-18 11:00 AM
superpletch
Cyclocross and Gravelbiking (Recreational)
9
08-27-18 02:38 PM